Alarm Input Contacts; Control Input Contact - EverFocus ELR-4 Instruction Manual

2.4.1 Alarm Input Contacts

ELR4 provides 4/8 alarm inputs. All inputs are programmable N.O. (Normal Open) or N.C. (Normal Closed)
Inputs have to be switched by dry contacts.
Alarm input with N.O. (Normal Open) contact
in idle state
All settings are programmed in the ALARM menu (chapter 5.5.1).

2.4.2 Control Input Contact

The Control Input CTRL IN is a N.O. (Normal Open) contact. Changing to N.C. is not possible.
The Control Input Contact CTRL IN is defined in I/O Control menu (
possible functions:
1. Playback: Playback is active as long the contact is closed. This function is helpful in
combination with the "Quickplay" function (
CTRL IN
GND
Control Input relay in idle state
Idle state
Alarm input with N.C. (Normal Closed) contact
in idle state
chapter 5.10.4) for following
chapter 5.4.3)
Playback
11
CTRL IN
GND